Spare wheel for emergency



4% Fr. MA). LGGQFM T. CHANN SPA'RE WHEEL FOR EMERGENCY I Fild April 1. 1927 INVENTOR' THOMAS CHANN 6] b W ATfORNE Patented Feb. 28, 1928'.

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SPARE twnEnL ronsEMEnennmY.

Application.fi1et1-.April 1,1927; Serial No; 180,310. I

This invention relates 'to an emergencywheel rig for vehicles and more particularly,;to an emergency wheel andsupport there- 1 forfwhi'ch may be carriedas a sparekor a'ccessory, by automotive-vehicles such as pasnger cars, trucks; and the-like. v

In many cases of accidents tovautomotive vehicles; where only relativelysliglit damage is done to the vehicle, a relatively heavy; expensemay be involved to repainlthe d'a'm- I 7 age; particularly is; this true when only} a* slight: amountofclzimagsis done to one side; of, the vehicle.resultinginabent; axle, a bent or. broken tie I rod or damage to "one of the front; wheels. This. usually necessitates a callto a.servicetstation and a senvi'ce, or tow,

ing ca'r is required to, proceed. to the scene of" the! accident, and {usually finds it necessary to. tow the' vdamagedl can to the; garage; or,

Usually this .is done by service station; I 7 means of; aucraneiwhich' hftsltlue damaged end of the Vehicle into the air andItowsjit in,that.v position; 1Such.services;v inthemselves, are usually expensive '1 and fre ently; constitute the 'maj orz part. of the, expense..- necessary to place the damagedivehifcle in operating; condition.

It is an objectof this intention to, provide apparatus which, may hencarriedi as an accessory or. spare part, andfwhich may he quickly and easily applied to the; damaged vehicle-by the lay di'iver, with; only. the tools. which, are usually Wf0und in av vehicle; ,and'. Which,.When applied willlpermitgthe vehicle to ,belidriven.

It is a fur he rebjecttotthis' inuentionrt'o;

provide "such appanatuswhich shall. be relatively simple,-.' inexpensive", and. reliable. and

which i will, be firmly secured, inv positionto permit, ,1the vehicle J .torproeeedl at'. normal c tr,ayelling1- speed, under: tull.flcontrol'.:of. the steering, gear, by maintaining thev damaged: wheellout ot contact with the grounder out. of Weight carrying relation. with the. Vehicle-.. Still other objects and advantages of'my invention will be apparentfromthe specifi cation.

'llhefeatures of, novelty ,whichlbelieve, to. bee characteristic of my invention are, set forthswith particularity. invthe appended claims? My'inyention itselfl.howeveryboth;

as to its fundamental. principles and. as to. its-practical: embodiments will} best be unr 'derstood by reference togthezspecifieation,

d-accompanying gdmwing in, which f 7 Fig.1: is a top PlBJl-VJGW o fa vehlcleparte ly injsection, on lines 2+2 of Fig; mam

showingapparatus according to my inven- L tion.

sectio ngon v lines 2'"2. of' Fig. '1'. r

ligfi i. detail; View partly in section; an n F is a top plan View of the support I mg jarm In accordance with my inventi0n, Ifpr0 Vide an emergency wheel journallecl: upon an'axle carriedupona swingable 'arm. This swin'gabl'e, arnr'is piyotally" moi'mte'd" upon a support 'Whichisadapted' to-vbe secured upon the axle and frame, or uponthe axle andf' spring, 0 oriupon some other suitable 3 partiot" the" vehicle, in such mmmems to support one end ot'the axle ofthe .vehicle; and pref erably, suitable clamping. means are" pro 17 .vi'de'd for securingjhis support -firml'y -in posit-ion whereby the vehicle may be safely mlriven; The swingablearm upon whiclfthe' emergencywheel'isfmcuntedtor r0tation', is pivoted 1 to the; support f at "a point" eccentric to'the axle of-th'e' emergency wheel; an-am; suitable thrust bearing is provided idsuch manner that" theswingable armxis freelyr" rotatable through? 360 upon the thrust emergency wheel.

then be driven'yan'd the effectot'theieccen wwfl tric mounting 0f the swinging "armz'willlbe'f such" thatthe emergency wheeli'will always" track properly, and the Vehicle" mayfibe steered by the steering remaining good wheel. v v

Referring; now more particularly toflli g, 1',',, 1' designates generically" a motor? vehicle havinga front axle 2; andfrontwheel-s 3 and 4; The vehicle is provided witha maintramefif'andlthe usualsprings t; andfspringulo shackles 7. The vehiele may azlso havefl-a'suit able steering mechanism, butsiiice this"is :per=' a Fig-.jQisa partial side'ele'vationpartly in 60 i The suppo t 'is firmly se'cu d gearoperatin'g on the j-' p I se no part of my invention, the same is'not shown. The emergency wheel 10, preferably provided with a suitable resilient tire 11- such as rubber, is mounted upon an axle 12 carried by forks, 14L and 14 of swinging arm 13. The arm 13 is provided at-its-upper extremity with a suitable thrust bearing surface which may, for exampletalre the form of cone 15, and anextension 16 which maybe threaded tov receive the nut 19: .a

support 20 for the swinging arm 13 is pro videdwith a cooperating thrust bearing 17 comprising inner and outer races and31 and interposed rollers 18 and balls 32 and thrust collars 33 and 34 for the purpose of rendering the arm 13 freely swingable when in normal weight carrying relation-to the member 20. It will be understood that my invention is not limited to any particular form of thrust bearing but that other forms of bearings may be utilized for the purpose.

The arm 20 may be provided'on its upper surface with .a pair of parallel ridges 21 and 22 adapted to receive between them the axle 2 ofgthe vehicle and to prevent shifting of the arm 20 with respect to the axle. The

member 20 may terminate in an angularly" disposed portion 23, having downwardly extending side portions 24; and 25 adapted to receive between them the spring: and since the axle and springs are usually d s- J posed at right angles to eachother, the

ridges'21 and 22 and the angularly disposed portion 23 are so arranged. "A suitable clamp 26 and a cooperating plate or strap member 27 may be provided, to be held in position by nuts 28 and 29, for the purpose of holding the support 20 in proper position with reference to axle 2.

The exact proportioning, size andfshape of the various part-s may be varied as may be dictated by the design of the particular typeof vehicle to which the wheel is to be applied: for example, the size of .the wheel 10, thelength and shapeofthe arm 13, and

, the length and shape of the support 20 as well as thestrength of each of the members,

maybe varied in accordance with'the type, arrangement, and weight of the vehicle, the essential thing bein that sufficient clearance should be provi ed to permit 360 rotationofthe arm 13 in its bearing under the load'which it is to carry. The'wheel 10' willpreferably be designed to be the maximum available size, in orderto safeguard against damage by ruts, holes in the road,

. r and the like.

. invention, in case the wheel 4: is damaged In-the use of apparatus according to, my

by collision or otherwise to a point which makes it undesirable or impossible to drive the vehicle, the wheel may be raised by placing a jack under one end of the axle2: after the wheelis raised to the desired height, the support 20 may be placed in position as shown,in such manner that the axle 2 lies between the positioning ridges 21 and 22 and the rear portion 23. engages the rear end of spring 6. Theclamp 26 may then be placed in position upon the axle 2,

plate 27 placed across the end of the clamp 26, and nuts 28 and 29 tightened to securely clamp the support 20in position against the axle; under these conditions, the positioningmembers 21 and 22 and the clamping member 26 together with the downwardly extending faces 24 and 25 engaging the springfi, allcooperate to secure the support I firmly in position The iack may then be removed when it will be found that the emergency wheel 10 will be carrying its part;

of the load of the weight of the vehicle, and the wheel 4 will be out of contact withthe ground. The vehicle may now be, driven,

and if the wheel 3 can be operated by the steering gear, it is possible to steer to vehicle as'desired, the direction being determined offset, from the axle 12 of the emergency the wheel 3. The actioniof the swinging arm 13 pivoted at 15 at a point horizontally wheel 19, will cause this wheelto track properly, as will be readily understood. ,Under I these conditions, the vehicle may be driven permanent repairs may be effected most economically. v

While I have shown and described certain preferred embodiments of my invention, it will be apparent that modificationsand changes may be made without departing from the spirit and scope of my invention. I claim: i

at the usual rate of speedto apoin't at, which 1. An emergency wheel rig for vehicles comprising a wheel rotatably mounted upon an axle, an arm carry ng. said axle, and a support arran'ged to be secured to a part of the vehicle separated by springs from the body of said vehicle, said arm being pivotally mounted. on said support at a point horizontally offset from saidaxle."

2. An emergency wheel rigjfor vehicles comprising a wheel rotatably mounted upon an axle, an arm carrying said axle, and a supportarranged to-be secured to apart of;

the vehicle separated by springs from the body of said vehicle, said arm being piv otailly mounted on said support in a thrust bearing, the axis of which is horizontally ofi'set from said axle.

4. An emergency'wheel rig for vehicles,

comprising a wheel rotatably mounted upon an axle, a support adapted to be secured to a vehicle, and an arm carrying said axle pivotally secured to saidsupport for free ro tation through 360aboutsaid'pivot, said arm being .so arranged that the center line of said Wheel and the center line of saidpivot are horizontally ofiset from each other and being arranged to engage the under side of an axle of said vehicle and the upper side of the spring supporting said axle.

5. The combination with a .vehicle, of an emergency wheel, and means for securing the emergency ivheel to said axle of said vehicle and to the spring supporting said axle in such manner that'said wheel-is freely rotatable about its center, and also about an axis external thereto. I

7. An emergency wheel rig for vehicles,

comprising a wheel ,rotatably mounted upon anfaxle, an arm carrylng' said axle and a support arranged .to be attached to the vehicle in such a manner that-road shocks I are transmitted to the vehicle only through f the springs of the vehicle, said arm being pivotally mounted on said support for free rotation through 360.

' 8; An-einergency wheel rig for vehicles,

comprising a wheel rotatably mounted upon van axle, an arm carrying said axle and a support, saidarm being pivotally mounted on said support for free rotation through 360 on a vertical axis, said support being arranged to engage an axle'of said vehicle in' weight carrying relation, and slidably engaging the spring supporting said axle whereby road shocks are transmitted to the body of said vehicle only through the springs of theyehicle. a

Signed at New York in the county of New York and State of New York, this 29th day of March A. D. 1927. 1 THOMAS CHANN. 

